KVPY
Government Jobs Exams
The energy of a photon of wavelength k = 1 meter is (Planck's constant = 6.625 × 10^–34 Js, speed of light =
3 × 10^8 m/s)
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KVPY Other Question
The bond order in O2^2– is-
(A) 2 (B) 3 (C) 1.5 (D) 1
The concentration of a substance undergoing a chemical reaction becomes one-half of its original value after
time t regardless of the initial concentration. The reaction is an example of a-
(A) zero order reaction (B) first order reaction
(C) second order reaction (D) third order reaction